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ROBERT D. GREEN, ,O F COLUMBIA, MISSOURI.

Laim Parent No. 64,860, dated May 21; 1867.

GATES.

ALL WHoM IT MAY CONCERN:

Be it known that I, ROBERT D. GREEN, of Columbia, in the county of'Boone, in tlleSt-ate' of Missouri, ,have invented a newv andusef'ulrGrate;v and I do hereby declare that the following is a full,elear, `and exact desoription of the Construction and operation of thesame, reference being had to the annexed drawing, making a part of thisspecification', in whichv lLetters 'A A'A A represent double posts; B Bare the bars of gate; O C are the wheels working in the lowerv bar B; DD are track-cleaners screwed or attached to bottom of the same bar; E Eareidouble guard posts tdkeep the gate in its right place on opening; FF are the track-planks on which the gate rolls or opens on each way; Gis the fastening pin which rests in holes at top of gate; His a squarepiece of timber sunk in the 'ground between posts A A A A, but notattached in any way to them, but forming-asolidfoundation for gate torest and roll on; the long ends of bars B B to form space for smallstock.

What I claim as my invention, and desire to secure by Letters Patent,is-

The solid bed-sill or track-10g, laid in the ground and detached fromthegate post, and on which the gate rests; plain on upper surface, withgroove or rail, as denoted by letter H; also p in fastener at top o`post as shown by letter Gf; also the t'rackclea'ners marked D D,fastened to -under part of bottom rail of the'gate in front of eachwheel, and designed, as the gate moves," to remove from track allobstructions to the wheels C C; also guide posts E E, used to preventthe gate from running oil` the track when open. l

I also claim, in combination with the poets of the main gate,represented by letters H, G, D D, C C, E E, Letters Patent for extendedtop and bottom rails or slats, to` be used at pleasure in forming a gap,by moving the gate forward on the wheels C C, s-o that the gap thusformed"\vil1 admit the passage of small stock, and at the Sametimeexclude large stock.

do not claim the wheels C C, nor the posts through which the gate rolls.

A ROBERT D. GREEN. Witnesses:

A. J'. HARBLAND, JAMES S.-DUNCAN.

